NEXT MEETING: ST. LOUIS, MISSOURI - AUGUST 4-8 2025

The routine analysis of Semi-Volatile Organic Compounds (SVOCs) across environmental matrices is essential for ongoing regulatory monitoring. Environmental laboratories increasingly rely on efficient methods to detect these contaminants; however, there is some reluctancy to adopt newer GCMS technology, like Triple Quadrupole GCMS (GCMS-TQ), even though it has been accepted for several years in SW-846 Method EPA 8270E. GCMS-TQ for SVOC analysis offers superior selectivity and enhanced sensitivity compared to traditional Single Quadrupole GC-MS (GCMS-SQ). Additionally, the requirement of manual tuning with DFTPP in SQ method is replaced by the standard autotuning for spectrum validation in TQ method. In this study, we compared the Shimadzu GCMS-TQ and GCMS-SQ systems performance for the analysis SVOCs by EPA 8270E guidelines. Results showed valid calibration curves across all standard and appendix 9 compounds, confirming the system’s capability for reliable SVOCs analysis. The straightforward tuning validation process with GCMS-TQ further optimizes workflows, demonstrating its advantage in advancing environmental analysis for regulatory compliance. The results from this work also provide laboratories with a reference tool to guide them in the decision-making process for adopting newer GCMS technology.